/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

// Licensed to the Software Freedom Conservancy (SFC) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The SFC licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package org.openqa.selenium.remote.session;

import com.google.common.collect.ImmutableMap;

import java.util.Map;
import java.util.Objects;

import static com.google.common.base.Preconditions.checkNotNull;

public class SafariFilter implements CapabilitiesFilter {
    @Override
    public Map<String, Object> apply(Map<String, Object> unmodifiedCaps) {
        ImmutableMap.Builder<String, Object> builder = ImmutableMap.builder();
        unmodifiedCaps.entrySet().parallelStream()
                .filter(entry ->
                        ("browserName".equals(entry.getKey()) && "safari".equals(entry.getValue())) ||
                                "safari.options".equals(entry.getKey()))
                .distinct()
                .filter(entry -> Objects.nonNull(entry.getValue()))
                .forEach(entry -> {
                    checkNotNull(entry.getKey());
                    checkNotNull(entry.getValue());
                    builder.put(entry.getKey(), entry.getValue());
                });
        ImmutableMap<String, Object> caps = builder.build();

        return caps.isEmpty() ? null : caps;
    }
}
